46172642 has 8 divisors (see below), whose sum is σ = 70948332. Its totient is φ = 22523200.

The previous prime is 46172639. The next prime is 46172657. The reversal of 46172642 is 24627164.

It can be written as a sum of positive squares in 2 ways, for example, as 29041321 + 17131321 = 5389^2 + 4139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 46172599 and 46172608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281459 + ... + 281622.

Almost surely, 2^46172642 is an apocalyptic number.

46172642 is a deficient number, since it is larger than the sum of its proper divisors (24775690).

46172642 is a wasteful number, since it uses less digits than its factorization.

46172642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563124.

The product of its digits is 16128, while the sum is 32.

The square root of 46172642 is about 6795.0454008785. The cubic root of 46172642 is about 358.7524771689.

The spelling of 46172642 in words is "forty-six million, one hundred seventy-two thousand, six hundred forty-two".